A 6-year-old boy with developmental delay presents with abdominal pain, constipation, and irritability. Vital signs show BP 105/68 mmHg, HR 98/min, RR 20/min, temperature 37.2°C. Laboratory studies reveal microcytic anemia (Hgb 9.2 g/dL), basophilic stippling on blood smear, and blood lead level of 72 mcg/dL. He denies recent seizures. The child lives in an older home undergoing renovation. Which medication is most appropriate for chelation therapy?
- A)Deferasirox
- B)Pyridostigmine
- C)N acetylcysteine
- D)Hydroxocobalamin
- E)SuccimerGABARITO
Explicação
Succimer is an oral chelator used in children with lead poisoning. The combination of abdominal pain, neurodevelopmental issues, and basophilic stippling in a child exposed to old paint is classic for lead toxicity. Ver explicação completa e trilha adaptativa →